Which to use
“IRC” and “IRM” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #33,314
- “IRC” frequency rank
- #17,979
- “IRM” frequency rank
- 51293
- confusion score
Side-by-Side Comparison
| Feature | IRC | IRM |
|---|---|---|
| Definition | Protocole de communication textuelle instantanée utilisé sur Internet, créé en 1988 par un étudiant de l’université d’Oulu, en Finlande. | Technique d’imagerie médicale permettant l’analyse fine du corps humain par l’action d’un champ magnétique et d’ondes radio. |
Where the eye mixes IRC and IRM
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between IRC and IRM
A purely visual mix-up. IRC (\i ɛʁ se\) and IRM (\i.ɛ.ʁɛm\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - c in “IRC” becomes m in “IRM”. Our composite confusion score for this pair is 51293, derived from the frequency rank of both members and their visual similarity.
IRC is recorded at frequency rank #33,314, classified as anoun, pronounced \i ɛʁ se\. IRM is at rank #17,979, tagged as anoun, pronounced \i.ɛ.ʁɛm\.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 51293, this pair ranks #156,133 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of IRC vs IRM
Shared letters: ir. Private to "IRC": c. Private to "IRM": m.
"IRC" · 3 letters · shape VCC · "IRM" · 3 letters · shape VCC
Frequently Asked Questions
Can "IRC" and "IRM" be used interchangeably?
Frequency check: "IRC" vs "IRM" - which ranks higher?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "IRC" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "IRM" - compare definitions side by side with the headword page. Word entry
- This pair ranks #156,133 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "IRC" and "IRM" also get mixed up with nearby pairs, the highest-scored neighbour is "IRC vs isi". Nearby pair
Confusion rank #156,133 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.